Disk space allocated for data vs Disk space used by data

Summary

Disk space allocated for data vs Disk space used by data

Content

Hi all,

I have an empty ASO cube and from the Database Statics menu I have this values

No file in deafult folder.

Then I load the first week data (without data clearing in the cube). Data on relational table is approximately 340MB. Database statistics look like this:

default folder: ess00001.dat file of 544 MB

Until here nothing strange (except that it seems strange to me that data in relational is 340MB while in Essbase it becames 544MB, given that on relation no compression is applied).

Then I load another week data (without clearing data in the cube, so keeping data previously inserted). Data on relational table is again 340MB. Database statistics look like this: